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Title:
Internal combustion engine exhaust system
Document Type and Number:
Japanese Patent JP6323750
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an exhaust system of an internal combustion engine including a cylinder fuel injector and an intake passage fuel injector, capable of achieving stable combustion at a cold start and early catalyst warm-up.SOLUTION: An exhaust system of an internal combustion engine comprises: an exhaust turbocharger 11 provided in an exhaust passage 51 of an internal combustion engine that includes a cylinder fuel injector 37 and an intake passage fuel injector 39; a wastegate valve 61 of a bypass passage 59; an exhaust gas purification catalyst 53 disposed downstream of the bypass passage 59; starting control means 73 started by the intake passage fuel injector 39 at a cold start of the internal combustion engine and closing the wastegate valve 61; and catalyst warm-up control means 75 warming up the exhaust gas purification catalyst 53 after starting and opening the wastegate valve 61.

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Inventors:
Reitoshi Matsunaga
Yasuo Yamaguchi
Shinichi Murata
Application Number:
JP2014061937A
Publication Date:
May 16, 2018
Filing Date:
March 25, 2014
Export Citation:
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Assignee:
MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
International Classes:
F01N3/20; F01N3/24; F02B37/18; F02D41/34; F02D43/00; F02D45/00; F02P5/15
Domestic Patent References:
JP2010236428A
JP2006322427A
JP2011202568A
JP2012180793A
Attorney, Agent or Firm:
Seishin ip patent business corporation



 
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